The MK611 is a portable, single-Gas Detector that is easy to operate and rugged.It can detect toxic gases in the environment to avoid threats to life and production equipment, and is suitable for chemical, metallurgical, explosion-proof, underground pipelines, mines, toxic gas leakage rescue and other fields.
The design, manufacture and inspection of this product refer to the following national standards:
GB12358-2006 General Technical Requirements for Workplace Ambient Gas Detection and Alarm Instruments
GB3836.1-2010
GB3836.4-2010 "Explosive atmospheres – Part 4: intrinsically safe type "i"
GB12476.1-2013 "Combustible Dust Environment Electrical Equipment Part I: General Requirements"
GB12476.4-2010 "Electrical Equipment for Combustible Dust Environments Part 4: Intrinsically Safe "iD"
*No need to recharge, maintenance-free;
*Small size, light weight, suitable for wearing on the body;
*Intrinsically safe explosion-proof certification, can be applied to Zone 0 explosion-proof environment;
*IP protection level up to IP68, can resist 1 hour of immersion in the environment;
* Withstands a drop of 3 meters;

1 display 2. Buzzer mouth 3 sensor air intakes 4 buttons 5 LED indicator window 6 crocodile clips 7 labels
| Detection Gas: | Detection range: | Underreporting: | High Newspaper: | Unit: | |
| Toxic gases | Oxygen (O2) | 0-30.0% | 19.5 | 23.5 | %vol |
| Hydrogen sulfide (H2S) | 0-100 | 10 | 15 | ppm/umol | |
| Hydrogen sulfide (H2S) | 0-500 | 10 | 15 | ppm/umol | |
| Carbon Monoxide (CO) | 0-1000 | 24 | 100 | ppm/umol | |
| Sulphur dioxide (SO2) | 0-100 | 2 | 5 | ppm/umol | |
| Chlorine (CL2) | 0-20.0 | 1.5 | 3 | ppm/umol | |
| Hydrogen cyanide (HCN) | 0-30.0 | 1.5 | 3 | ppm/umol | |
| Nitrogen dioxide (NO2) | 0-20.0 | 2 | 5 | ppm/umol | |
| Ammonia (NH3) | 0-100 | 20 | 40 | ppm/umol | |
| Ammonia (NH3) | 0-500 | 20 | 40 | ppm/umol | |
| acrylonitrile | 0-100 | 2 | 4 | ppm/umol | |
| Methanol (CH3OH) | 0-100 | 3 | 5 | ppm/umol | |
| ETO (Ethylene Oxide) | 0-100 | 2 | 4 | ppm/umol | |
| Nitric Oxide (NO) | 0-250 | 25 | 50 | ppm/umol | |
| Chlorine dioxide (ClO2) | 0-10 | 1.5 | 3 | ppm/umol | |